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Hercules (constellation)

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Hercules is a constellation named after Hercules, the Roman mythological hero adapted from the Greek hero Heracles. [1]

129 relations: Abell 39, Alebion, Alpha Coronae Borealis, Alpha Herculis, Apparent magnitude, Aquila (constellation), Aratus, Asterism (astronomy), Astronomical unit, AT2018cow, Bayer designation, Bergion, Beta Herculis, Beta Lyrae variable, Binary star, Boötes, Bright giant, Chinese astronomy, Constellation, Constellation family, Corona Borealis, Culmination, Declination, Delta Herculis, Dionysius of Halicarnassus, Draco (constellation), Epsilon Herculis, Equatorial coordinate system, Eta Herculis, Eugène Joseph Delporte, Exoplanet, Flamsteed designation, Full moon, Furuhjelm 46, Gaius Julius Hyginus, Gamma Herculis, Geryon, Giant star, Gilgamesh, Gliese 649, Gliese 649 b, Globular cluster, Greek mythology, GSC 03089-00929, H. A. Rey, HAT-P-2b, HD 147506, HD 149026, HD 149026 b, HD 154345, ..., HD 154345 b, HD 155358, HD 156668, HD 156668 b, HD 164595, HD 164595 b, HD 164922, HD 164922 b, Heavenly Market enclosure, Heracles, Hercules, Hercules Cluster, Hercules–Corona Borealis Great Wall, Hot Jupiter, Iberian Peninsula, International Astronomical Union, Iota Herculis, Italy, Kappa Herculis, Labours of Hercules, Light-year, Liguria, Local standard of rest, Lyra, Mass, Messier 13, Messier 92, Metallicity, Milky Way, Mu Herculis, Mycenae, New Scientist, NGC 6210, NGC 6229, North Pole, O'Reilly Media, Ophiuchus, Orbital decay, Orbital period, Oxford University Press, Pi Herculis, Planetary nebula, Popular Astronomy (US magazine), Princeton University Press, Prometheus Books, Ptolemy, Purple Forbidden enclosure, Red giant, Rho Herculis, Right ascension, Roman mythology, Sagitta, Semi-major and semi-minor axes, Semiregular variable star, Serpens, Solar apex, Springer Science+Business Media, Star system, Sumer, Sun, Supergalactic coordinate system, Tau Herculids, The Astronomer's Telegram, Theta Herculis, Transient astronomical event, Transit (astronomy), Variable star, Vega, Vulpecula, Yellow giant, Zeta Herculis, Zeus, 14 Herculis, 14 Herculis b, 14 Herculis c, 30 Herculis, 50th parallel south, 68 Herculis, 88 modern constellations. Expand index (79 more) »

Abell 39

Abell 39 is a low surface brightness planetary nebula in the constellation of Hercules.

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In Greek mythology, Alebion or Albion (Ἀλεβίων or Ἀλβίων) was a son of Poseidon and brother of Bergion (also known as Dercynus) who attacked Heracles with Dercynus when he passed through their country, Liguria in North-Western Italy, on his way back to Mycenae from Iberia having obtained the Cattle of Geryon as his tenth labour.

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Alpha Coronae Borealis

Alpha Coronae Borealis (α Coronae Borealis, abbreviated Alpha CrB, α CrB), also named Alphecca, is a binary star in the constellation of Corona Borealis.

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Alpha Herculis

No description.

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Apparent magnitude

The apparent magnitude of a celestial object is a number that is a measure of its brightness as seen by an observer on Earth.

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Aquila (constellation)

Aquila is a constellation on the celestial equator.

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Aratus (Ἄρατος ὁ Σολεύς; ca. 315 BC/310 BC240) was a Greek didactic poet.

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Asterism (astronomy)

In observational astronomy, an asterism is a popular known pattern or group of stars that are recognised in the night sky.

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Astronomical unit

The astronomical unit (symbol: au, ua, or AU) is a unit of length, roughly the distance from Earth to the Sun.

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AT2018cow (ATLAS name: ATLAS18qqn; also known as Supernova 2018cow, SN 2018cow, and "The Cow") was a powerful astronomical explosion (discovery magnitude 14.739; redshift 0.014145), 10-100 times brighter than a normal supernova, spatially coincident with galaxy, approximately distant in the Hercules constellation.

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Bayer designation

A Bayer designation is a stellar designation in which a specific star is identified by a Greek letter, followed by the genitive form of its parent constellation's Latin name.

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In Greek mythology, Bergion (Βεργίων) or Dercynus (Δέρκυνος) was a son of Poseidon and brother of Alebion.

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Beta Herculis

Beta Herculis (β Herculis, abbreviated Beta Her, β Her), also named Kornephoros, is a binary star and the brightest star in the northern constellation of Hercules at a base apparent visual magnitude of 2.81.

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Beta Lyrae variable

Beta Lyrae variables are a class of close binary stars.

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Binary star

A binary star is a star system consisting of two stars orbiting around their common barycenter.

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Boötes is a constellation in the northern sky, located between 0° and +60° declination, and 13 and 16 hours of right ascension on the celestial sphere.

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Bright giant

The luminosity class II in the Yerkes spectral classification is given to bright giants.

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Chinese astronomy

Astronomy in China has a long history, beginning from the Shang Dynasty (Chinese Bronze Age).

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A constellation is a group of stars that are considered to form imaginary outlines or meaningful patterns on the celestial sphere, typically representing animals, mythological people or gods, mythological creatures, or manufactured devices.

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Constellation family

Constellation families are collections of constellations sharing some defining characteristic, such as proximity on the celestial sphere, common historical origin, or common mythological theme.

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Corona Borealis

Corona Borealis is a small constellation in the Northern Celestial Hemisphere.

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In astronomy, the culmination of a planet, star, or constellation is its transit over an observer's meridian.

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In astronomy, declination (abbreviated dec; symbol δ) is one of the two angles that locate a point on the celestial sphere in the equatorial coordinate system, the other being hour angle.

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Delta Herculis

Delta Herculis (δ Herculis, abbreviated Delta Her, δ Her) is a multiple star system in the constellation of Hercules.

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Dionysius of Halicarnassus

Dionysius of Halicarnassus (Διονύσιος Ἀλεξάνδρου Ἁλικαρνασσεύς, Dionysios Alexandrou Halikarnasseus, "Dionysios son of Alexandros of Halikarnassos"; c. 60 BCafter 7 BC) was a Greek historian and teacher of rhetoric, who flourished during the reign of Caesar Augustus.

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Draco (constellation)

Draco is a constellation in the far northern sky.

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Epsilon Herculis

Epsilon Herculis, Latinized from ε Herculis, is a fourth-magnitude multiple star system in the northern constellation of Hercules.

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Equatorial coordinate system

The equatorial coordinate system is a celestial coordinate system widely used to specify the positions of celestial objects.

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Eta Herculis

Eta Herculis (η Her, η Herculis) is a fourth-magnitude star in the constellation Hercules.

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Eugène Joseph Delporte

Eugène Joseph Delporte (10 January 1882 – 19 October 1955) was a Belgian astronomer born in Genappe.

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An exoplanet or extrasolar planet is a planet outside our solar system.

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Flamsteed designation

A Flamsteed designation is a combination of a number and constellation name that uniquely identifies most naked eye stars in the modern constellations visible from southern England.

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Full moon

The full moon is the lunar phase when the Moon appears fully illuminated from Earth's perspective.

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Furuhjelm 46

Furuhjelm 46, also known as HD 155876 and Gliese 661, is a nearby binary star system, consisting of two very similar red dwarfs, located in the constellation Hercules.

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Gaius Julius Hyginus

Gaius Julius Hyginus (64 BC – AD 17) was a Latin author, a pupil of the famous Cornelius Alexander Polyhistor, and a freedman of Caesar Augustus.

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Gamma Herculis

Gamma Herculis, Latinized from γ Herculis, is a magnitude 3.74 binary star system in the northern constellation of Hercules.

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In Greek mythology, Geryon (or;. Collins English Dictionary also Geryone; Γηρυών,Also Γηρυόνης (Gēryonēs) and Γηρυονεύς (Gēryoneus). genitive: Γηρυόνος), son of Chrysaor and Callirrhoe, the grandson of Medusa and the nephew of Pegasus, was a fearsome giant who dwelt on the island Erytheia of the mythic Hesperides in the far west of the Mediterranean.

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Giant star

A giant star is a star with substantially larger radius and luminosity than a main-sequence (or dwarf) star of the same surface temperature.

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Gilgamesh was a historical king of the Sumerian city-state of Uruk, a major hero in ancient Mesopotamian mythology, and the protagonist of the Epic of Gilgamesh, an epic poem written in Akkadian during the late second millennium BC.

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Gliese 649

Gliese 649 is a red dwarf star in the constellation of Hercules, located roughly 34 light years from the Sun.

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Gliese 649 b

Gliese 649 b, or Gl 649 b is an extrasolar planet, orbiting the 10th magnitude M-type star Gliese 649, 10 parsecs from earth.

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Globular cluster

A globular cluster is a spherical collection of stars that orbits a galactic core as a satellite.

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Greek mythology

Greek mythology is the body of myths and teachings that belong to the ancient Greeks, concerning their gods and heroes, the nature of the world, and the origins and significance of their own cult and ritual practices.

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GSC 03089-00929

No description.

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H. A. Rey

Hans Augusto Rey (September 16, 1898 – August 26, 1977) was a German-born American illustrator and author, known best for the Curious George series of children's picture books that he and his wife Margret Rey created from 1939 to 1966.

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HAT-P-2b is an extrasolar planet detected by the HATNet Project in May 2007.

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HD 147506

HD 147506 is a magnitude 8.7 F8 dwarf star that is somewhat larger and hotter than our sun.

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HD 149026

HD 149026, also named Ogma, is a yellow subgiant star approximately 250 light-years from the Sun in the constellation of Hercules.

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HD 149026 b

HD 149026 b, also named Smertrios, is an extrasolar planet approximately 250 light-years from the Sun in the constellation of Hercules.

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HD 154345

HD 154345 (Gliese 651) is a G-type dwarf star located in northern Hercules.

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HD 154345 b

HD 154345 b, is a Jupiter-sized extrasolar planet orbiting the star HD 154345.

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HD 155358

HD 155358 is a low metallicity yellow dwarf star approximately 43 pc away in the constellation Hercules.

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HD 156668

HD 156668 is star in the northern constellation of Hercules constellation.

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HD 156668 b

HD 156668 b is an extrasolar planet orbiting the star HD 156668 78.5 light-years away in the constellation Hercules.

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HD 164595

HD 164595 is a G-type star located in the constellation of Hercules, from Earth that is notably similar to the Sun.

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HD 164595 b

HD 164595 b is a confirmed exoplanet orbiting around a Sun-like star HD 164595 every 40 days some 94.36 light-years away.

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HD 164922

HD 164922 is a seventh magnitude G-type main sequence star in the constellation of Hercules.

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HD 164922 b

HD 164922 b is an exoplanet orbiting the star HD 164922 about 72 light-years from Earth in the constellation Hercules.

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Heavenly Market enclosure

The Heavenly Market Enclosure (天市垣, Tian Shi Yuan), is one of the San Yuan or Three enclosures.

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Heracles (Ἡρακλῆς, Hēraklês, Glory/Pride of Hēra, "Hera"), born Alcaeus (Ἀλκαῖος, Alkaios) or Alcides (Ἀλκείδης, Alkeidēs), was a divine hero in Greek mythology, the son of Zeus and Alcmene, foster son of AmphitryonBy his adoptive descent through Amphitryon, Heracles receives the epithet Alcides, as "of the line of Alcaeus", father of Amphitryon.

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Hercules is a Roman hero and god.

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Hercules Cluster

The Hercules Cluster (Abell 2151) is a cluster of about 200 galaxies some 500 million light-years distant in the constellation Hercules.

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Hercules–Corona Borealis Great Wall

Hercules–Corona Borealis Great Wall or the Great GRB Wall.

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Hot Jupiter

Hot Jupiters are a class of gas giant exoplanets that are inferred to be physically similar to Jupiter but that have very short orbital period (P The close proximity to their stars and high surface-atmosphere temperatures resulted in the moniker "hot Jupiters". Hot Jupiters are the easiest extrasolar planets to detect via the radial-velocity method, because the oscillations they induce in their parent stars' motion are relatively large and rapid compared to those of other known types of planets. One of the best-known hot Jupiters is 51 Pegasi b. Discovered in 1995, it was the first extrasolar planet found orbiting a Sun-like star. 51 Pegasi b has an orbital period of about 4 days.

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Iberian Peninsula

The Iberian Peninsula, also known as Iberia, is located in the southwest corner of Europe.

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International Astronomical Union

The International Astronomical Union (IAU; Union astronomique internationale, UAI) is an international association of professional astronomers, at the PhD level and beyond, active in professional research and education in astronomy.

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Iota Herculis

Iota Herculis (ι Her, ι Herculis) is a fourth-magnitude variable star in the constellation Hercules.

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Italy (Italia), officially the Italian Republic (Repubblica Italiana), is a sovereign state in Europe.

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Kappa Herculis

Kappa Herculis (κ Herculis, abbreviated Kap Her, κ Her) is a double star in the constellation of Hercules.

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Labours of Hercules

--> The Twelve Labours of Heracles or of Hercules (ἆθλοι, hoi Hērakleous athloi) are a series of episodes concerning a penance carried out by Heracles, the greatest of the Greek heroes, whose name was later Romanised as Hercules.

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The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.

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Liguria (Ligûria, Ligurie) is a coastal region of north-western Italy; its capital is Genoa.

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Local standard of rest

In astronomy, the local standard of rest or LSR follows the mean motion of material in the Milky Way in the neighborhood of the Sun.

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Lyra (Latin for lyre, from Greek λύρα) is a small constellation.

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Mass is both a property of a physical body and a measure of its resistance to acceleration (a change in its state of motion) when a net force is applied.

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Messier 13

Messier 13 (M13), also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster, is a globular cluster of several hundred thousand stars in the constellation of Hercules.

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Messier 92

Messier 92 (also known as M92, M 92, or NGC 6341) is a globular cluster of stars in the northern constellation of Hercules.

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In astronomy, metallicity is used to describe the abundance of elements present in an object that are heavier than hydrogen or helium.

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Milky Way

The Milky Way is the galaxy that contains our Solar System.

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Mu Herculis

Mu Herculis (μ Herculis) is a nearby star system about 27.1 light years from Earth in the constellation Hercules.

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Mycenae (Greek: Μυκῆναι Mykēnai or Μυκήνη Mykēnē) is an archaeological site near Mykines in Argolis, north-eastern Peloponnese, Greece.

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New Scientist

New Scientist, first published on 22 November 1956, is a weekly, English-language magazine that covers all aspects of science and technology.

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NGC 6210

NGC 6210 is a planetary nebula located in the constellation Hercules.

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NGC 6229

NGC 6229 is a globular cluster located in the constellation Hercules.

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North Pole

The North Pole, also known as the Geographic North Pole or Terrestrial North Pole, is (subject to the caveats explained below) defined as the point in the Northern Hemisphere where the Earth's axis of rotation meets its surface.

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O'Reilly Media

O'Reilly Media (formerly O'Reilly & Associates) is an American media company established by Tim O'Reilly that publishes books and Web sites and produces conferences on computer technology topics.

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Ophiuchus is a large constellation straddling the celestial equator.

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Orbital decay

In orbital mechanics, decay is a process that leads to gradual decrease of the distance between two orbiting bodies at their closest approach (the periapsis) over many orbital periods.

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Orbital period

The orbital period is the time a given astronomical object takes to complete one orbit around another object, and applies in astronomy usually to planets or asteroids orbiting the Sun, moons orbiting planets, exoplanets orbiting other stars, or binary stars.

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Oxford University Press

Oxford University Press (OUP) is the largest university press in the world, and the second oldest after Cambridge University Press.

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Pi Herculis

Pi Herculis (π Her, π Herculis) is a third-magnitude star in the constellation Hercules.

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Planetary nebula

A planetary nebula, abbreviated as PN or plural PNe, is a type of emission nebula consisting of an expanding, glowing shell of ionized gas ejected from red giant stars late in their lives.

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Popular Astronomy (US magazine)

Popular Astronomy is an American magazine published by John August Media, LLC and hosted at TechnicaCuriosa.com for amateur astronomers.

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Princeton University Press

Princeton University Press is an independent publisher with close connections to Princeton University.

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Prometheus Books

Prometheus Books is a publishing company founded in August 1969 by the philosopher Paul Kurtz (who was also the founder of the Council for Secular Humanism, Center for Inquiry, and co-founder of the Committee for Skeptical Inquiry).

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Claudius Ptolemy (Κλαύδιος Πτολεμαῖος, Klaúdios Ptolemaîos; Claudius Ptolemaeus) was a Greco-Roman mathematician, astronomer, geographer, astrologer, and poet of a single epigram in the Greek Anthology.

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Purple Forbidden enclosure

The Purple Forbidden enclosure (紫微垣 Zǐ wēi yuán) is one of the San Yuan (三垣 Sān yuán) or Three Enclosures.

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Red giant

A red giant is a luminous giant star of low or intermediate mass (roughly 0.3–8 solar masses) in a late phase of stellar evolution.

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Rho Herculis

Rho Herculis (ρ Her, ρ Herculis) is a double star in the constellation of Hercules.

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Right ascension

Right ascension (abbreviated RA; symbol) is the angular distance measured only eastward along the celestial equator from the Sun at the March equinox to the (hour circle of the) point above the earth in question.

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Roman mythology

Roman mythology is the body of traditional stories pertaining to ancient Rome's legendary origins and religious system, as represented in the literature and visual arts of the Romans.

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Sagitta is a dim but distinctive constellation in the northern sky.

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Semi-major and semi-minor axes

In geometry, the major axis of an ellipse is its longest diameter: a line segment that runs through the center and both foci, with ends at the widest points of the perimeter.

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Semiregular variable star

Semiregular variable stars are giants or supergiants of intermediate and late spectral type showing considerable periodicity in their light changes, accompanied or sometimes interrupted by various irregularities.

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Serpens ("the Serpent", Greek Ὄφις) is a constellation of the northern hemisphere.

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Solar apex

The solar apex, or the Apex of the Sun's Way, refers to the direction that the Sun travels with respect to the Local Standard of Rest.

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Springer Science+Business Media

Springer Science+Business Media or Springer, part of Springer Nature since 2015, is a global publishing company that publishes books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing.

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Star system

A star system or stellar system is a small number of stars that orbit each other, bound by gravitational attraction.

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SumerThe name is from Akkadian Šumeru; Sumerian en-ĝir15, approximately "land of the civilized kings" or "native land".

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The Sun is the star at the center of the Solar System.

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Supergalactic coordinate system

Supergalactic coordinates are coordinates in a spherical coordinate system which was designed to have its equator aligned with the supergalactic plane, a major structure in the local universe formed by the preferential distribution of nearby galaxy clusters (such as the Virgo cluster, the Great Attractor and the Pisces-Perseus supercluster) towards a (two-dimensional) plane.

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Tau Herculids

The Tau Herculids are a meteor shower appearing to originate from the star Tau Herculis.

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The Astronomer's Telegram

The Astronomer's Telegram (ATel) is an internet based short notice publication service for quickly disseminating information on new astronomical observations.

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Theta Herculis

Theta Herculis (θ Her, θ Herculis) is a fourth-magnitude star in the constellation Hercules.

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Transient astronomical event

A transient astronomical event, often shortened by astronomers to a transient, is an astronomical object or phenomenon whose duration may be from seconds to days, weeks, or even several years.

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Transit (astronomy)

In astronomy, a transit or astronomical transit is the phenomenon of at least one celestial body appearing to move across the face of another celestial body, hiding a small part of it, as seen by an observer at some particular vantage point.

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Variable star

A variable star is a star whose brightness as seen from Earth (its apparent magnitude) fluctuates.

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Vega, also designated Alpha Lyrae (α Lyrae, abbreviated Alpha Lyr or α Lyr), is the brightest star in the constellation of Lyra, the fifth-brightest star in the night sky, and the second-brightest star in the northern celestial hemisphere, after Arcturus.

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Vulpecula is a faint constellation in the northern sky.

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Yellow giant

A yellow giant is a luminous giant star of low or intermediate mass (roughly 0.5–11 solar masses (M)) in a late phase of its stellar evolution.

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Zeta Herculis

Zeta Herculis (ζ Her, ζ Herculis) is a multiple star system in the constellation Hercules.

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Zeus (Ζεύς, Zeús) is the sky and thunder god in ancient Greek religion, who rules as king of the gods of Mount Olympus.

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14 Herculis

14 Herculis or 14 Her is the Flamsteed designation of a K-type main-sequence star approximately 57 light-years away in the constellation Hercules.

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14 Herculis b

14 Herculis b or 14 Her b is an extrasolar planet approximately 59 light-years away in the constellation of Hercules.

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14 Herculis c

14 Herculis c or 14 Her c is an extrasolar planet approximately 59 light-years away in the constellation of Hercules.

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30 Herculis

30 Herculis (30 Her), or g Herculis, is a star in the constellation Hercules.

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50th parallel south

The 50th parallel south is a circle of latitude that is 50 degrees south of the Earth's equatorial plane.

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68 Herculis

68 Herculis (68 Her) is a star in the constellation Hercules.

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88 modern constellations

In modern astronomy, the sky (celestial sphere) is divided into 88 regions called constellations, generally based on the asterisms (which are also called "constellations") of Greek and Roman mythology.

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Redirects here:

Engonasi, Engonasin, Hercules (astronomy), Hercules constellation, Keystone (asterism), Keystone (astronomy).


[1] https://en.wikipedia.org/wiki/Hercules_(constellation)

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